It is the uppermost component of the snap that is visible from the outside and serves an aesthetic and decorative function.
This indicates that the lid of this part is made of plastic. Plastic lids generally offer the advantage of color and a stylish appearance compared to metal lids.
Manufacturers usually state that these plastic parts do not contain phthalates and PVC, which are substances harmful to human health.
The other parts under the plastic cover (locking mechanism) are usually made of rust-resistant metal such as brass.These two numbers/names belong to the snap mechanism type And size group indicates:
61 System: It is a strong snap mechanism designed for products that require high durability, such as thick fabrics, coats, jean jackets, topcoats and jackets.
Alpha System: It is a highly functional snap fastener type known for its round shape and easy-to-open and close structure.